Just tried Alice 2.2 for Mac. Much improved over previous version, but here are a couple issues noticed after a brief testing session:

1. The processor gets "pegged out", showing near 100% utilization. This does not occur with Alice 2.0 for Mac. I am running 10.5.6 on a MacBook with a Core 2 Duo 2.0 GHz processor and 4 GB of RAM. Clear implications for battery life on a laptop.

2. There are brief "refresh flashes" every so often when using the menus to select methods, arguments, et cetera.

Just let me know if you need more details.

I'm happy to help test this release. Used Alice 2.0 very successfully this past semester with two high school CS classes.

I am a Mac user and I am still waiting for the feedback. But no worries, I had some other windows PC’s too and I got the issues with that PC’s fixed p[properly. All that systems are working great! Thanks for your concern.